class People():
    def __init__(self, name, race, origin, height, weight):
        self.name = name
        self.race = race
        self.origin = origin
        self.height = height
        self.weight = weight

    def print_name(self):
        pass

    def print_country(self):
        pass

    def print_info(self):
        print('我叫{}，我来自{},身高{},体重{}'.format(self.name, self.origin, self.height, self.weight))

xiaoming = People('小明', '黄种人', '中国', 180, 70)
alice = People('Alice', '白种人', '美国', 160, 50)

xiaoming.print_info()
alice.print_info()